A home health nurse is visiting an Asian family. A married couple, their three children, and the maternal grandparents all live in the home. How should the nurse interpret the presence of the grandparents in the home?

The nuclear family living arrangement is the preferred environment for childrearing.

Extended family living arrangements are common in some cultures.

The parents have diffused boundaries and have allowed the grandparental subsystem to be present.

The grandparental subsystem is not successfully managing separation from the parental subsystem.